<template>
  <div class="building-container">
    <!-- 搜索区域 -->
    <div class="search-container">
      <div class="search-label">楼宇名称：</div>
      <el-input
        v-model="params.name"
        clearable
        placeholder="请输入内容"
        class="search-main"
        @clear="doSearch"
      />
      <el-button type="primary" @click="doSearch">查询</el-button>
    </div>
    <el-button type="primary" @click="addBuilding">添加楼宇</el-button>
    <el-button type="primary" @click="exportToExcel">导出Excel</el-button>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="buildingList">
        <el-table-column type="index" label="序号" />
        <el-table-column label="楼宇名称" width="180" prop="name" />
        <el-table-column label="层数" prop="floors" />
        <el-table-column label="在管面积(m²)" width="120" prop="area" />
        <el-table-column
          label="物业费(元/m²)"
          width="120"
          prop="propertyFeePrice"
        />
        <el-table-column label="状态" prop="status">
          <template #default="scope">
            {{ formatStatus(scope.row.status) }}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="120">
          <template #default="scope">
            <el-button size="mini" type="text" @click="edit(scope.row)"
              >编辑</el-button
            >
            <el-button size="mini" type="text" @click="confirmDel(scope.row.id)"
              >删除</el-button
            >
          </template>
        </el-table-column>
      </el-table>
      <div class="page-container">
        <el-pagination
          layout="total, prev, pager, next"
          :total="total"
          @current-change="pageChange"
        />
      </div>
    </div>
    <!-- 添加楼宇弹框 -->
    <el-dialog
      :title="a"
      :visible="dialogVisible"
      width="580px"
      @close="closeDialog"
    >
      <!-- 表单接口 -->
      <div class="form-container">
        <el-form ref="addForm" :model="addForm" :rules="addFormRules">
          <el-form-item label="楼宇名称" prop="name">
            <el-input v-model="addForm.name" />
          </el-form-item>
          <el-form-item label="楼宇层数" prop="floors">
            <el-input v-model="addForm.floors" />
          </el-form-item>
          <el-form-item label="在管面积" prop="area">
            <el-input v-model="addForm.area" />
          </el-form-item>
          <el-form-item label="物业费" prop="propertyFeePrice">
            <el-input v-model="addForm.propertyFeePrice" />
          </el-form-item>
        </el-form>
      </div>
      <template #footer>
        <el-button size="mini" @click="dialogVisible = false">取 消</el-button>
        <el-button size="mini" type="primary" @click="confirmAdd"
          >确 定</el-button
        >
      </template>
    </el-dialog>
  </div>
</template>

<script>
import {
  getBuildingListAPI,
  createBuildingListAPI,
  delBuildingListAPI,
  editBuildingListAPI,
} from "@/api/building.js";
import { Message } from "element-ui";
import { utils, writeFileXLSX } from "xlsx";
export default {
  name: "Building",
  data() {
    return {
      a: "新增规则",
      id: null,
      dialogVisible: false,
      buildingList: [], // table列表
      params: {
        // 请求参数
        page: 1,
        pageSize: 5,
        name: "", // 增加字段name
      },
      total: 0,
      addForm: {
        name: "",
        floors: null,
        area: null,
        propertyFeePrice: null,
      },
      addFormRules: {
        name: [{ required: true, message: "请输入楼宇名称", trigger: "blur" }],
        floors: [
          { required: true, message: "请输入楼宇层数", trigger: "blur" },
        ],
        area: [{ required: true, message: "请输入楼宇面积", trigger: "blur" }],
        propertyFeePrice: [
          { required: true, message: "请输入楼宇物业费", trigger: "blur" },
        ],
      },
    };
  },
  mounted() {
    this.getBuildingList();
  },
  methods: {
    //表格导出
    async exportToExcel() {
      const res = await getBuildingListAPI(this.params);
      const tableHeader = [
        "name",
        "floors",
        "area",
        "propertyFeePrice",
        "status",
      ];
      const sheetData = res.data.rows.map((item) => {
        const obj = {};
        tableHeader.forEach((key) => {
          obj[key] = item[key];
        });
        return obj;
      });
      // 创建一个工作表
      const worksheet = utils.json_to_sheet(sheetData);
      // 创建一个新的工作簿
      const workbook = utils.book_new();
      // 把工作表添加到工作簿
      utils.book_append_sheet(workbook, worksheet, "Data");
      // 改写表头
      utils.sheet_add_aoa(
        worksheet,
        [["楼宇名称", "层数", "在管面积(㎡)", "物业费(㎡)", "状态"]],
        { origin: "A1" }
      );
      writeFileXLSX(workbook, "SheetJSVueAoO.xlsx");
    },
    // 点击编辑时打开弹框并回显数据
    async edit(row) {
      // 1. 打开弹框
      this.dialogVisible = true;
      this.id = row.id;
      if (this.id != null) {
        this.a = "编辑规则";
      }
      // 2. 解构必要字段
      const { id, area, floors, name, propertyFeePrice } = row;
      this.addForm = {
        id,
        area,
        floors,
        name,
        propertyFeePrice,
      };
    },
    //删除
    async confirmDel(id) {
      this.$confirm("确认删除当前楼宇吗？", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      })
        .then(async () => {
          await delBuildingListAPI(id);
          Message.success("删除成功");
          this.getBuildingList();
        })
        .catch(() => {});
    },
    //确定
    confirmAdd() {
      this.$refs.addForm.validate(async (valid) => {
        if (valid) {
          if (this.addForm.id) {
            await editBuildingListAPI(this.addForm);
            Message.success("编辑成功");
          } else {
            // 1. 提交接口
            await createBuildingListAPI(this.addForm);
            Message.success("新增成功");
          }
          // 2. 获取列表
          this.getBuildingList();
          // 3. 关闭弹框
          this.dialogVisible = false;
        }
      });
    },
    //添加
    addBuilding() {
      this.id = null;
      this.a = "添加规则";
      this.addForm.name = "";
      this.addForm.floors = null;
      this.addForm.area = null;
      this.addForm.propertyFeePrice = null;
      this.dialogVisible = true;
    },
    closeDialog() {
      this.dialogVisible = false;
    },
    doSearch() {
      // 1. 重置page为1
      this.params.page = 1;
      // 2. 调用获取列表接口
      this.getBuildingList();
    },
    pageChange(page) {
      // 更改参数
      this.params.page = page;
      // 重新获取数据渲染
      this.getBuildingList();
    },
    async getBuildingList() {
      const res = await getBuildingListAPI(this.params);
      this.buildingList = res.data.rows;
      this.total = res.data.total;
    },
    formatStatus(status) {
      const statusMap = {
        0: "租赁中",
        1: "闲置中",
      };
      return statusMap[status];
    },
  },
};
</script>

<style lang="scss" scoped>
.page-container {
  padding: 4px 0px;
  text-align: right;
}
.department-container {
  padding: 10px;
}
.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, 0.9);
  padding-bottom: 20px;
  .search-label {
    width: 100px;
  }
  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}
</style>